Oil-burner.



PATENTED MAY 7, 1907.

0. s. CANNON. OIL BURNER.

AIPPLIGATION FILED JUNE 12, 1906.

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No. 852,597. PATENTED-MAY '7, 1907. G. S. CANNON.

OIL BURNER.

APPLICATION FILED JUNE 12, 1906.

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G. S. CANNON.

OIL BURNER.

APPLIGATION FILED JUNE 12, 19706.

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UNITED STATES OORODON S. CANNON, OF CHICAGO, ILLINOIS.

OIL-BURNER.

Specification of Letters Patent.

Patented May '7, 1907.

Application filed June 12,1906. Serial No. 321,401.

To all whom it may concern:

Be it known that I, CoRoDoN S. CANNON, a citizen of the United States, residing at Ohicago, 1n the county of Cook and State of Illino1s, have invented a new and useful Oil- Burner, of which the following is a specification.

This invention relates more particularly to that class of burners in which the fuel is transformed from a liquid to a vapor prior to its being burned, and wherein a wick is employed for conveying the liquid fuel to the place of vaporization.

One of the principal objects is to provide a simple and effective structure of the above type that may be employed for a large number of purposes, can be readily transported from place to place, is economical in the use of fuel, and is so constructed that the character of the flame can be altered to produce various degrees of heat.

A further object is to provide a burner in which kerosene oil can be employed as distinguished from gasolene and other analogous volatile oils, and furthermore to provide a structure that is economical in the amount of fuel burned.

Still another object is to provide a burner that is made up of simple parts or elements, that can be cheaply manufactured, are not liable to become deranged or injured, said elements being so related that the burner can be readily dismembered and packed if desired.

The preferred embodiment of the invention is illustrated in the accompanying drawings and described in the following specification, but an inspection of the claims hereto appended, will show that the invention is not strictly limited to the structure set forth.

In said drawings :Figure 1 is a side elevation of the burner. Fig. 2 is an end elevation thereof. Fig. 3 is a vertical sectional view. Fig. 4 is a vertical cross sectional Fig. 5 is a horizontal sectional view on the line 55 of Fig. 4. Fig. 6 is a horizontal sectional view on the line 66 of Fig. 4. Fig. 7 is a horizontal sectional view 011 the line 77 of Fig. 4. Fig. 8 is a detail perspective view of one of the side walls of the casing. Fig. 9 is a detail perspective view of the supporting frame for the casing. Fig. 10 is a detail perspective view of one of the holding legs for the combustion chamber, showing the deflector wings carried thereby.

1 Similar reference numerals designate corresponding parts in all the figures of the drawings.

In the embodiment illustrated, an oil font or reservoir 11 is employed, which may be of any suitable shape, and which is provided with a top 12. An anchor plate 13 is located in the bottom of the font or reservoir, and is secured in place by an upstanding clamp plate 14 engaged with its opposite edges; and also having lips 15 engaged in the upper portions of the side walls of the font or reservoir. A wick tube 16, located in the reser voir, extends through the top 12 and above said reservoir. The lower end of the tube is held in position by braces 17, carried by the anchor plate, as shown in Fig. 7, and bound to the wick tube by a wire 18 surrounding said tube and passing through the upper ends of the braces. By referring to Figs. 5, 6 and 7, it will be observed that this wick tube is oblong in cross section, and that its opposite side walls are bent on intermediate lines, so that the tube, in effect, comprises sec tions disposed at an obtuse angle to each other. A wick is located in this tube, and while no claims are made in this application to the wick structure per se, a brief description thereof is believed to be essential in order that the operation of the invention may be more readily understood. A pair of flat wick sections 19 extends longitudinally through the tube, and may be of any suitable absorbent material. The said sections are of less width than the tube, and the upper end of said tube is filled by plug Wicks 20, located between the end walls of the wick tube and the adjacent edges of the wick sections. These plug wicks are provided with metallic caps 21, and have depending metallic strips 22 that extend to the bottom of the wick tube. An asbestos or other incombustible and absorbent igniting wick 23 is located between the upper portions of the wick sections, and comprises a doubled sheet having a perforate metallic plate 24, located between the leaves thereof. These parts are secured to the wick sections by suitable fasteners 25, which also serve to secure a wick raising device 26 that is located at one side of the wick and comprises a perforate metallic plate projecting slightly above the wick tube, as shown in Fig. 3.

A combustion chamber is supported upon the upper end of the wick tube. This combustion chamber comprises an open ended.

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perforate tube 27 that is oblong in cross section, and has its side Walls transversely bent throughout their length so that the combustion chamber is composed of two sections disposed at an obtuse angle to each other, corresponding to the shape of the Wick tube. One of the side walls of the combustion chamber is partially covered by an additional perforate plate 27", and over this plate is arranged still another plate 28 that is set at an inclination to thewall, and has its upper end spaced therefrom. The combustion chamber'is held in place by depending legs 28, which extend downwardly into the wick tube alongside the strips 22. These legs comprise strips that extend upwardly along the inner faces of the edge walls of the combustion chamber, said strips having their upper ends turned over the top edges of the chamber, as shown at 29. The depend ing portions are provided with oflsetshoulders 30, and as the legs are slidably mounted in the wick tube, the shoulders are arranged to engage on the upper edge of said tube, and therefore support the combustion chamber in elevated position with respect to the wick tube. The legs are furthermore provided with triangular deflector wings 31 arranged in the lower portion of the combustion cham ber and disposed in spaced relation. Under normal conditions, the combustion chamber is held against its vertical movement by hanger loops 32 detachably engaged by hooks 33 that are pivotally mounted on the rim 34 of the oil font or reservoir.

Surrounding the projecting portion of the wick tube 16, and vertically slidable thereon is an imperforate flame regulating sleeve 35, the upper portion of which is slidable over the lower portion of the combustion chamber. The sliding movement of the sleeve is effected by handles 36, having shanks 37 connected to the upper end of the sleeve, as shown in Fig. 3. Surrounding this regulating sleeve and .the wick tube, is a guard sleeve 38 disposed in spaced relation to the regulating sleeve and having perforate walls. The structure as thus far described, is complete and operative, but a detachable casing is preferably employed for the combustion chamber. In constructing this casing, a rectangular frame 39 of wire is employedthat extends around the upper portion of the combustion chamber, and has depending shanks 40 that extend downwardly into the. same, so as to properly support the frame. Imperforate side walls 41 of orna mental sheet metal, have inwardly extending flanges 42 at their upper ends, which flanges carry depending "pins 43 that engage over the side bars of the frame 39. The side walls are thus suspended from the frame, and their lower ends are prevented from swinging inwardly by spacing strips 44 interlocked as shown at 45 with inwardly extending flanges 46 formed upon the lower ends of the side walls 41. Perforate end walls 47 each preferably comprises angularly disposed portions and has flanges 48 at its vertical side edges, which engage over the vertical margins of the side walls, as shown, in Fig. 5. The end walls 47 carry hooks 49 at their upper ends, which hooks engage over the end bars of the frame 39. A cap 50, comprising angularly disposed perforate walls, is located over the combustion chamber, and end walls, as 51 being flared, as. shown in Fig. 3, the sidewalls having reduced depending portions 52 that engage between the end bars of the supporting frame 39.

For the purpose of readily transporting the burner from place to place, a carrier is employed, comprising a base plate 53, to which is secured a frame comprising side arms 54, the lower ends of said side arms being connected .to the base plate. The frame is formed of wire, and the upper ends of the side arms 54 are joined by a curved handle 55. A heat guard 56 in the form of a disk is suspended from the lower portion of the handle, and is located over the burner. The side arms 54 have their lower portions curved inwardly, as shown at 57, and the rim 34 of the oil reservoir or font is provided with notches 58 that receive the inwardly curved portions 57 of the side arms. Thus the oil font and burner is interlocked with the side arms, and is held. against displacement on the base plate.

' In using the burner, the reservoir or font is supplied with kerosene oil, which will of course saturate the wick. To ignite said wick, it" is only necessary to release the holding loops 32 and elevate the combustion chamber, the same being supported by the shoulders 30 of the legs28, as already described. The wick is thus accessible, and the incombustible central section is ignited, after which the combustion chamber is low-' ered. For an instant, smoke will perhaps be given off from the burner, but this quickly disappears, and the oil, being heated, will be transformed into vapor that is burned in, and upon the walls of the combustion chamber; In further explanation of this, it may be stated that as soon as the flame'has been started and the lowered combustion chamber has been warmed slightly, the flame regulating sleeve is raised and soon becomes very hot. The sleeve being in contact with the .wick tube transmits heat thereto so that the oil elevated by the wick, becomes vaporized. The tube is, however, made of sufficient length to prevent any danger of the oil in the font becoming vaporized. The charac' ter of the flame may be readily altered, by changing the shape of the deflector wings 31, and by raising the regulating sleeve 35. Experience has demonstrated that any grade of flame from the comparatively cool yellow flame to the hottest and almost invisible I purple flame may be secured with this structure so that the heat of the burner can be readily regulated.

It will be evident that the structure ismade up of simple parts, which can be readily manufactured and assembled, and that the burner can be employed for a variety of purposes, which it is believed to be unnecessary to mention in detail. The particular shape of the wick tube and combustion chamber is an important feature in this invention, inasmuch as it has been found that the expansion and contraction thereof when shaped, as shown, will not affect the shape of the parts so as to render them inoperative. As already stated, the wick structure per 86 is not claimed in the present case, as the same is fully described and claimed in a copending application Serial No. 321,403.

From the foregoing, it is thought that the construction, operation, and many advan tages of the herein described invention, will be apparent to those skilled in the art, with out further description, and it will be understood that various changes in the size, shape, proportion, and minor details of construction, may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a burner of the character described, the combination with a wick tube oblong in cross section, of a wick located in the tube, a combustion chamber movably arranged over the tube, and spaced legs depending from the combustion chamber and located within the tube against the inner faces of the walls thereof and at opposite sides of the wick.

2. In a burner of the character described, the combination with an oil font and wick tube, of a combustion chamber mounted over the wick tube, and spaced depending legs carried by the combustion chamber and slidably extending downwardly inside the wick tube and engaged therein when the combustion chamber is spaced therefrom.

3. In a burner of the character described, the combination with awick tube, of a wick located therein, a combustion chamber movably located over the tube, and a leg depending from the combustion chamber and slid ably located within the tube between the wall thereof and the wick, said leg holding the combustion chamber in place and having means projecting therefrom between its ends that engages the tube to support the combustion chamber in elevated position above the same.

4. In a burner of the character described, the combination with a wick tube, of a combustion chamber mounted over the wick tube and movable toward and from the same,

and slidable connections between the tube and chamber, said connections having shoulders that rest on the top of the tube when the chamber is elevated and support the same in spaced relation to said. top.

5. In a burner of the character described, the combination with a wick tube, of a combustion chamber located thereover and comprising a perforate tube,'and depending legs carried by the combustion chamber and slid ably engaging in the wick tube, said legs having offset shoulders between their ends that rest on the topof the wick tube when the chamber is elevated and support said cham: ber in spaced relation thereto.

6. In a burner of the class described, the combination with a wick tube, of a combustion chamber located thereover and comprising a perforate tube that is oblong in cross section and has its opposite side walls bent to produce sections that are disposed at an obtuse angle to each other, and spaced legs de pending from the sections and engaged in the wick tube.

7. In a burner of the character described, the combination with a wick tube that is oblong in cross section and is transversely bent on an intermediate longitudinal line to produce sections that are disposed at an obtuse angle to each other, of a combustion chamber located over the wick tube and comprising a perforate tube that is oblong in cross section and has its opposite side walls bent to produce sections that are disposed at an obtuse angle to each other, and legs carried by the chamber sections and engaged in the cor responding tube sections.

8. In a burner of the character described, the combination with a wick tube, of a wick located therein, a perforate combustion chamber arranged over the wick tube and having its interior in line with the wick, and

deflectors located in opposite portions of the interior of the combustion chamber and comprising spaced upright wings extending toward each other in the chamber.

9. In a burner of the character described, the combination with a wick tube, of a combustion chamber located thereover and having perforate walls, legs depending from the combustion chamber and extending into the wick tube, and deflector wings carried by the legs-and located in the combustion chamber.

10. In a burner of the character described, the combination with an oil font, of a wick tube mounted thereon, a combustion chamber located over and supported by the wick tube, spaced legs depending from thecombustion chamber and slidably engaged in the wick tube, and detachable connections between the chamber and font for holding the former against movement above the wick tube.

11. A burner of the character described,

the combination with an oil font, of a wick tube movably mounted thereon and supported 'thereby, ;#r a. combustion i'jchamber mounted in the wick tube, loops carried by opposite portions of the chamber and extending downwardly on opposite sides of the ltube, and hooks mounted on opposite portions of the font andj, detachably engaging in the loops. I

12. In a burner of the character described, the combination with a wick tube, of a combustion chamber located thereover, and a regulating sleeve adjustably mounted on the tube and movable with respect to the chamber, said sleeve being movable to different positions over the chamber.

13. \In a burner of the character described, the combination with a wick tube, of a combustion chamber comprising a perforate tube mounted on the Wick tube, a regulating sleeve slidably mounted on the wick tube and movable upwardly to different positions over the combustion chamber, and means for moving the sleeve.

14. In a burner of the character described, the combination with a wick tube, of a combustion chamber comprising a perforate tube mounted on the wick tube, a regulating sleeve slidably mounted on the wick tube and movable upwardly to different positions over the combustion chamber, and a perforate guard sleeve surrounding the tube and regulating sleeve.

15. In a burner of the character described, the combination with an oil font, of a wick tube projecting above the same, said wick tube being oblong in cross section and being transversely bent, a combustion chamber comprising a perforate tube oblong in cross section and transversely bent, said combustion chamber being located over the wick tube, depending legs carried by the combustion chamber and slidably engaging in the wick tube, said legs having deflector wings arranged within the combustion chamber, a regulating sleeve slidably mounted on the wick tube and movable upwardly to inclose the lower portion of the combustion chamber,

means for moving the sleeve, and a perforate guard sleeve surrounding the regulating sleeve and wick tube. I

16. In a burner of the character described, the combination with a wick tube, of a com bustion'chamber located thereover, a frame detachably mounted on the chamber, and a casing detachably supported by the frame and surrounding the chamber, said casing corfiprising a plurality of detachably engaged wa s.

17. In a burner of the character described, the combination with a combustion chamber, of a frame comprising side bars located on opposite sides of the chamber, and cross bars connecting the side bars, shanks depending from the cross bars and detachably engaged in the upper portions of the chamber, and casing walls suspended by their upper ends from the side bars and disposed in spaced relation to the combustion chamber.

18. In a burner of the character described, the combination with a combustion chamber, of a frame comprising side bars located on opposite sides of the upper end of the chamber, means for securing the frame in place including a depending shank carried by the side bars and detachably engaging within the upper portion of the chamber, and casing walls suspended by their upper ends from the side bars and disposed in spaced relation to the combustion chamber.

19. In a burner of the character described, thecombination with a combustionchamber, of a casing surrounding the same, means engaging the upper portions of the casing and chamber for supporting the former from the latter, and a cap detachably mounted on said means and extending over the combustion chamber.

20. In a burner of the character described, the combination with a combustion chamber, of a frame extending around the upper portion of the same, side walls hung from the frame, and a cap supported on the frame over the combustion chamber.

21. In a burner of the character described, the combination with a combustion chamber, of an angular frame surrounding the upper portion of the combustion chamber and having depending shanks that engage in the same, side walls having depending fingers that engage the opposite sides of the frame, said side walls being located on' opposite sides of and in spaced relation to the combustion chamber, end walls engaged with the side walls and having hooks that engage the frame, and a cap having depending side walls that engage the frame.

22. In a burner of the character described, the combination with an oil font, of a wick tube supported thereon, said wick tube being oblong in cross section and being transversely bent throughout its length, a combustion chamber mounted on the wick tube and comprising an open ended perforate tube oblong in cross section and transversely bent throughout its length, depending legs carried by the combustion chamber and engaging in the wick tube, deflector wings carried by the legs and located in the opposite portions of the combustion chamber, a regulating sleeve slidably mounted on the wick tube and movable upwardly over the lower portion of the combustion chamber, handles connected to the sleeve for moving the same, a perforate guard sleeve surrounding the wick tube and regulatingsleeve, loops secured to the combustion chamber and located on opposite sides of the wick tube, hooks carried by the oil font and detachably engaging the loops, an angular frame located about the upper portion of the combustion chamber and having depending shanks engaged therein, casing walls suspended from the frame and surrounding the combustion chamber, and a cap mounted on the frame and extending over the top of the combustion chamber.

23. In a burner of the character described, the combination with a Wick tube, of a co'mbustion chamber located thereover and hav ing perforate Walls, legs extending through the combustion chamber and depending into the wick tube, and deflector wings carried by the portions of the legs that are located in the combustion chamber, said deflector wings being spaced apart.

24. In a burner of the character described, the combination with a wick tube, of a combustion chamber comprising a perforate tube mounted on the Wick tube, an imperforate regulating sleeve slidably mounted on the wick 2o tube and movable upwardly to different positions over the combustion chamber, and eX osed means for moving the sleeve.

11 testimony, that I claim the foregoing as my own, I have hereto afliXed my signature 25 

